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Revision (Unit 6 Gateway B1)

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  • What is CO2 ?
    Carbon dioxide is a gas consisting of one part carbon and two parts oxygen. 
  • Describe this picture.
    ice cap
  • What products or materials can be recycled? Where? How?
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  • How can you reduce your ecological footprint ? (Give al least 5 examples)
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  • What is Carbon footprint? (describe with your own words)
    the amount of greenhouse gases and specifically carbon dioxide emitted by something (such as a person's activities or a product's manufacture and transport) dur
  • How do people waste water or electricity in Russia? Give 3 examples.
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  • What does the word "emissions" mean? (describe with your own words)
    the release of greenhouse gases and/or their precursors into the atmosphere over a specified area and period of time.
  • What happens to world population and % of carbon in the atmosphere as the years go by (from 1954-2020)?
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  • What building have people created to protect plants/seeds from all over the world? Where is it located?
    Seed vault/ North Pole
  • the part of the Earth's atmosphere which protects the Earth from the sun
    ozone layer
  • Where and when do you have floods or droughts in your country?
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  • When heat cannot escape from the atmosphere and the temperature on Earth goes up it's...
    greenhouse effect
  • The amount of water a person uses, directly and indirectly
    water footprint
  • Give examples of fossil fuels.
    Natural gas, oil, coal
  • Describe this picture.
    ozone layer
  • Which type of energy sourse produces little pollution?
    wind, hydro, geothermal..
  • What kinds of energy sources are there in the world? Give examples
    Renewable (solar, wind, hydro..) / non-renewable (coal, oil, gas)
  • What is Water footprint?(describe with your own words)
    The amount of water directly and indirectly used (and that is not available for reuse in the short term) to support human consumption activities.
  • How can you waste less water? Give 3 examples.
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  • Describe this picture.
    flood
  • Describe this picture.
    rainforest
  • Describe this picture.
    mountain range
  • The impact each person has on the environment through the emission of greenhouse gases
    carbon footprint
  • What does the rule of 3 "R" (Reduce. Reuse. Recycle) mean ?
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  • What is primary and secondary water footprint?
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  • an accident usually causing radioactivity
    nuclear disaster
  • An accident when oil comes out of its container for example at sea
    oil spill
  • Describe this picture.
    desert
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